mercruiser 8.1

Mercruiser Vessel View - Smart Craft - Model Yr 2009 :smt021 - now since the boat has been new I have had consistent problems with Mercruiser, Hardware, Software, and technical assistance. - Hardware: Relies on old Technology and Communications protocol's. It only adhere's to the Old NEMA 0183...

Hey Team: I'm biting the bullet and re-powering my '98 454 to a Merc 496. (I'll just say water in the manifolds and move on....) Has any one done this? Any gotchas I should be aware of? I'm thinking something just isn't going to line up right.... Any "heads up" is greatly...

Good Day Team: I'm considering re-powering my 1998 Mercruiser 454 MPI Gen VI to a Mercruiser 496 375 HP. Need some pointers... I'm not interested in the new 8.2, just the 8.1. I just learned within the last week... (Defender sale) ...about a guy who did a rebuild on his two 454s last...